Security vulnerability databases

The China National Vulnerability Database (CNNVD) is one of two national vulnerability databases of the People's Republic of China. It is operated by the China Information Technology Security Evaluation Center (CNITSEC), the 13th Bureau of China's foreign intelligence service, the Ministry of State Security (MSS). As of September 28, 2020, the database has 117,454 vulnerabilities cataloged with the first entry dated January 1, 2010.